Comparison

Dreame L40s Pro Ultra vs Dreame L50 Pro Ultra vs Roborock Qrevo CurvX

Detailed Technical Comparison

Best value for money

Dreame L40s Pro Ultra

8,1
Overall score
View on Amazon View Specifications
Best Score

Dreame L50 Pro Ultra

8,3
Overall score
View on Amazon View Specifications

Roborock Qrevo CurvX

7,9
Overall score
View on Amazon View Specifications

Scores

Dreame L40s Pro Ultra
Overall score 8,1
Power and Battery 6,6
Brushing System 9,1
Mopping System 7,8
Cleaning Base 7,6
Navigation and Intelligence 9,1
Dreame L50 Pro Ultra
Overall score 8,3
Power and Battery 7,4
Brushing System 9,1
Mopping System 7,8
Cleaning Base 7,6
Navigation and Intelligence 9,5
Roborock Qrevo CurvX
Overall score 7,9
Power and Battery 7,7
Brushing System 7,7
Mopping System 7,0
Cleaning Base 6,6
Navigation and Intelligence 8,0

Detailed Technical Comparison

Key features organised by category

General Information

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Brand Diferente
?
Dreame L40s Pro Ultra: Dreame Dreame L50 Pro Ultra: Dreame Roborock Qrevo CurvX: Roborock
Release date
?
Dreame L40s Pro Ultra: 2025 Dreame L50 Pro Ultra: 2025 Roborock Qrevo CurvX: 2025

Power and Battery

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Suction power Diferente
?
Dreame L40s Pro Ultra: 19.000 Pa Dreame L50 Pro Ultra: 19.500 Pa Roborock Qrevo CurvX: 22.000 Pa
Battery capacity Diferente
?
Dreame L40s Pro Ultra: 5.200 mAh Dreame L50 Pro Ultra: 6.400 mAh Roborock Qrevo CurvX: 6.400 mAh
Runtime Diferente
?
Dreame L40s Pro Ultra: 220 min Dreame L50 Pro Ultra: 200 min Roborock Qrevo CurvX: 220 min

Brushing System

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Main brush Diferente
?
Dreame L40s Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Dreame L50 Pro Ultra: Dual HyperStream Anti-Tangle Hair Brush Roborock Qrevo CurvX: DuoDivide Anti-Tangle Hair Brush
Lifting main brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Lifting side brush Diferente
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Extendable side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Anti-tangle side brush
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Cepillo para zocalos
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No

Mopping System

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Mopping type Diferente
?
Dreame L40s Pro Ultra: Two Rotating Mops 180 RPM Dreame L50 Pro Ultra: Two Rotating Mops 180 RPM Roborock Qrevo CurvX: Two Rotating Mops 200 RPM 12N
Mop extension Diferente
?
Dreame L40s Pro Ultra: Yes, with RoboSwing movement Dreame L50 Pro Ultra: Yes, with RoboSwing movement Roborock Qrevo CurvX: Sí
Mop lifting Diferente
?
Dreame L40s Pro Ultra: Yes, 10.5 mm Dreame L50 Pro Ultra: Yes, 10.5 mm Roborock Qrevo CurvX: Yes, 7-17 mm
Floor mopping temperature
?
Dreame L40s Pro Ultra: Cold water Dreame L50 Pro Ultra: Cold water Roborock Qrevo CurvX: Cold water
Detach mops at base Diferente
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Mop dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Floor dirt detection
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí

Cleaning Base

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Auto-emptying dust bin
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Mop washing Diferente
?
Dreame L40s Pro Ultra: Yes, with hot water at 75°C Dreame L50 Pro Ultra: Yes, with hot water at 75°C Roborock Qrevo CurvX: Yes, with hot water at 80°C
Mop drying
?
Dreame L40s Pro Ultra: Yes, with hot air at 45°C Dreame L50 Pro Ultra: Yes, with hot air at 45°C Roborock Qrevo CurvX: Yes, with hot air at 45°C
Self-cleaning wash tray Diferente
?
Dreame L40s Pro Ultra: Yes, 3rd generation Dreame L50 Pro Ultra: Yes, 3rd generation Roborock Qrevo CurvX: Yes, 3.0
UV disinfection
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Detergent tank Diferente
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Automatic mop changing
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Dust bag capacity Diferente
?
Dreame L40s Pro Ultra: 3.2 L Dreame L50 Pro Ultra: 3.2 L Roborock Qrevo CurvX: 2.5 L
Clean water tank Diferente
?
Dreame L40s Pro Ultra: 4.5 L Dreame L50 Pro Ultra: 4.5 L Roborock Qrevo CurvX: 4 L
Dirty water tank Diferente
?
Dreame L40s Pro Ultra: 4 L Dreame L50 Pro Ultra: 4 L Roborock Qrevo CurvX: 3 L
Plumbing connection kit Diferente
?
Dreame L40s Pro Ultra: Yes (purchased separately) Dreame L50 Pro Ultra: Yes (purchased separately) Roborock Qrevo CurvX: No
Integrated plumbing connection
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No

Navigation and Intelligence

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Navigation system Diferente
?
Dreame L40s Pro Ultra: 360° LiDAR turret Dreame L50 Pro Ultra: 360° Retractable LiDAR Roborock Qrevo CurvX: 360° Retractable LiDAR
Obstacle avoidance
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
AI camera
?
Dreame L40s Pro Ultra: Yes, dual Dreame L50 Pro Ultra: Yes, dual Roborock Qrevo CurvX: Yes, dual
Front 3D laser sensor
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
No. of recognised obstacles Diferente
?
Dreame L40s Pro Ultra: 180 Dreame L50 Pro Ultra: 180 Roborock Qrevo CurvX: 108
Pet recognition
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Curtain detection Diferente
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
Remote camera access
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
Night vision LED
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
AI intelligent cleaning Diferente
?
Dreame L40s Pro Ultra: Yes, CleanGenius 2.0 Dreame L50 Pro Ultra: Yes, CleanGenius 2.0 Roborock Qrevo CurvX: Yes, SmartPlan 2.0
AI stain recognition Diferente
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: No
CPU / Algorithm Diferente
?
Dreame L40s Pro Ultra: ? Dreame L50 Pro Ultra: AI Sage 13.0 Octa-core Roborock Qrevo CurvX: RR Mason 11.0

Advanced Features

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Step-climbing ability Diferente
?
Dreame L40s Pro Ultra: Single step 22 mm - Double step 40 mm Dreame L50 Pro Ultra: Single step 22 mm - Double step 40 mm Roborock Qrevo CurvX: Single step 30 mm - Double step 40 mm
Robotic arm
?
Dreame L40s Pro Ultra: No Dreame L50 Pro Ultra: No Roborock Qrevo CurvX: No
Built-in voice assistant
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí
External voice assistant (Alexa, Google Home...)
?
Dreame L40s Pro Ultra: Sí Dreame L50 Pro Ultra: Sí Roborock Qrevo CurvX: Sí

Robot Tanks

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Robot dust bin Diferente
?
Dreame L40s Pro Ultra: 300 ml Dreame L50 Pro Ultra: 395 ml Roborock Qrevo CurvX: 258 ml
Robot water tank Diferente
?
Dreame L40s Pro Ultra: 80 ml Dreame L50 Pro Ultra: 80 ml Roborock Qrevo CurvX: 69 ml

Robot Dimensions

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Robot diameter Diferente
?
Dreame L40s Pro Ultra: 350 mm Dreame L50 Pro Ultra: 350 mm Roborock Qrevo CurvX: 353 mm
Robot height Diferente
?
Dreame L40s Pro Ultra: 103.8 mm Dreame L50 Pro Ultra: 89 mm Roborock Qrevo CurvX: 79.8 mm

Base Dimensions

Dreame L40s Pro Ultra
Dreame L50 Pro Ultra
Roborock Qrevo CurvX
Base width Diferente
?
Dreame L40s Pro Ultra: 340 mm Dreame L50 Pro Ultra: 340 mm Roborock Qrevo CurvX: 450 mm
Base height Diferente
?
Dreame L40s Pro Ultra: 590.5 mm Dreame L50 Pro Ultra: 590.5 mm Roborock Qrevo CurvX: 450 mm
Base depth Diferente
?
Dreame L40s Pro Ultra: 456.7 mm Dreame L50 Pro Ultra: 456.7 mm Roborock Qrevo CurvX: 450 mm

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Best value for money Dreame L40s Pro Ultra View on Amazon Best Score Dreame L50 Pro Ultra View on Amazon Roborock Qrevo CurvX View on Amazon

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